1. To measure the working shape of both the 800 mesh and 1200 mesh Engel trawls.
2. If suitable shoals are available, to practice aimed fishing.
3. To enable Birmingham University staff to carry out experiments with
acoustic apparatus.

Quantity: activity duration in days = 2Description: Activity in the Tyne-Farne Deeps area using the 800 mesh trawl towed on various lengths of warp over a range of speeds from 2.0 to 4.0 knots. Net gape, spread and depth, otter board, and warp loading were measured